Trapper Keeper Hello Kitty 2-Pocket Folders with Snapper Trapper by Mead, Assorted Designs, 6 Pack (73461) Folders feature a variety of Hello Kitty designs! 6 pack of folders includes 3 designs. 12 in. x 9.38 in. Holds letter size sheets. Two vertical pockets securely trap papers and keep them in place. Folder is fully functional both inside and outside of a Trapper Keeper or other 3 ring binder. Snapper Trapper is a sturdy plastic strip that enables quick and easy snap-in and snap-out of your 3 ring binder without the hassle of opening the rings.